Product Dimensions | 4.13 x 2.56 x 8.23 inches |
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Item model number | ZB BMSB2 0 |
Material Type | 100% Platinum Silicone |
Material free | BPA Free, Phthalate Free, Lead Free |
Batteries required | No |
Item Weight | 4.6 ounces |
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Zip Top Reusable 100% Silicone Breast Milk Storage Bags That Stand Up Stay Open and Zip Shut, Made in The USA - Set of 2 Bags
- Better for your baby: 100% pure non-toxic platinum silicone is completely free of BPA, lead, PVC, latex and phthalates. They won’t leach harmful chemicals into your milk like plastics can. Made in the USA!
- Versatile: Zip Top milk bags are safe for use in the dishwasher (bottom rack too), freezer and bottle warmers. Pour corners to avoid spills and you can write on them! Easily organize by date in the freezer tray.
- Designed for easy use and cleaning: Plastic-Free, single-piece construction that stands up! The tops stay open and zippers do not overlap in the corners like normal zippers making it super easy to clean. Thick strong silicone will not tear or break.
- Better for the Planet: Endlessly reusable, Zip Top was designed with the environment in mind. After you are done nursing, these are great for toddler snacks or frozen treats!
- Milk Bag Set of 2 Includes: Two Milk Bags 2” x 3.9” x 5.9” (6 oz). Easily store and organize breast milk by date in the refrigerator or freezer. Perfect baby registry item or baby shower gift!
Additional Details


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This product has sustainability features recognized by trusted certifications.Carbon impactCarbon emissions from the lifecycle of this product were measured, reduced and offset.As certified byClimatePartner certified
The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting reduction targets, implementing reductions, financing climate projects and communicating transparently to continuously reduce emissions.Certification NumberPTT472Part ofClimate Pledge Friendly
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This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byEWG Verified
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- Sustainability features for this product
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This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byEWG Verified
Choosing EWG Verified products means reducing chemicals of concern and supporting companies that are committed to using safer ingredients. This mark is backed by EWG's scientific rigor and decades of research on chemical safety and scientific evidence on the impacts of exposure to toxic chemicals on human health.Organic contentProduct contains at least 95% organic material.As certified byUSDA Organic
USDA Organic is protected by law, inspected by experts, traced from farm to store, and shaped by public input. USDA develops and enforces the organic standards, which require products to be produced using farming practices that maintain and improve soil and water quality, minimize the use of synthetic materials, conserve biodiversity, and avoid genetic engineering, among other factors. Crops can be certified organic if they’re grown without prohibited substances such as most synthetic fertilizers and pesticides for three years prior to harvest. Livestock are raised on pasture and treated humanely without growth hormones or antibiotics. Organic products do not contain GMOs or artificial colors, flavors, or preservatives. Products that contain a minimum of 95 percent organic ingredients and use the USDA Organic seal are part of Climate Pledge Friendly.Part ofClimate Pledge Friendly
- Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byEWG Verified
Choosing EWG Verified products means reducing chemicals of concern and supporting companies that are committed to using safer ingredients. This mark is backed by EWG's scientific rigor and decades of research on chemical safety and scientific evidence on the impacts of exposure to toxic chemicals on human health.Part ofClimate Pledge Friendly
- Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byEWG Verified
Choosing EWG Verified products means reducing chemicals of concern and supporting companies that are committed to using safer ingredients. This mark is backed by EWG's scientific rigor and decades of research on chemical safety and scientific evidence on the impacts of exposure to toxic chemicals on human health.Part ofClimate Pledge Friendly
- Sustainability features for this product
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This product has sustainability features recognized by trusted certifications.Manufacturing practicesManufactured using processes that reduce the risk of negative environmental impact.As certified byECOLOGO
ECOLOGO certified products have reduced environmental impacts at one or more stages of their lifecycle – from raw materials to end of life. ECOLOGO certification indicates that a product has met environmental performance standards, which include criteria in some or all of the following categories: materials, energy, manufacturing and operations, health and environment, product performance and use, and product stewardship and innovation. Products are evaluated on the applicable criteria through testing and auditing.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byECOLOGO
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Product Description


The FIRST 100% platinum silicone reusable breast milk storage bag!
Better for Baby
Made with 100% platinum silicone, they won't leach harmful chemicals like plastics can. Zip Top containers are completely free of BPA, lead, PVC, and phthalates.
Better for the Planet
Zip Top was designed with the environment in mind. One Zip Top can replace 5000+ disposable bags. That's a lot of trash!
So Much Better
Zip Top breast milk bags stand up, stay open, and ship shut. Their pour corners and sturdy one-piece design has no glue or seams and won't rip. Freezer and dishwasher safe and easy to sterilize. You can even write on them.
Endlessly Reusable
- Food Grade
- Freezer Safe
- Microwave Safe
- Dishwasher Safe
- Write on It
- Easy Zip
- Stands Up
- Holds 6 OZ
Product information
Technical Details
Additional Information
ASIN | B08463CJJM |
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Customer Reviews |
3.9 out of 5 stars |
Best Sellers Rank | #47,983 in Baby (See Top 100 in Baby) #204 in Breastmilk Containers |
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Zip Top Reusable 100% Silicone Breast Milk Storage Bags That Stand Up Stay Open and Zip Shut, Made in The USA - Set of 2 Bags
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Videos
Videos for this product
1:13
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Pumping mamas thoughts on these reusable milk bags
Morgan Flippo
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2:54
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Zip Top 100% Platinum Silicone Reusable Containers
Zip Top
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1:24
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Zip Top Hacks Compilation Video
Zip Top
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0:30
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Zip Top - FAQ Seal Video
Zip Top
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0:09
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Zip Top Variety of Shapes Video
Zip Top
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0:12
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Zip Top Dishwasher Video
Zip Top
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find these breast milk storage bags easy to use and awesome for storing milk in the fridge, while also appreciating their waste-reducing benefits. However, the bags have several issues: they are very narrow at the base, don't close easily, and don't seal properly. Moreover, customers find them pricey and report leakage problems.
AI-generated from the text of customer reviews
Customers appreciate the storage capacity of these silicone bags, finding them awesome for storing milk in the fridge and using them daily.
"These pouches are awesome for storing milk in the fridge!..." Read more
"We have six of these silicone bags total, and store milk in them daily...." Read more
"...I’ve been using them for a few weeks and so far so good - keeps the breastmilk stored and fresh in the fridge, and the bottom of the bag is nice and..." Read more
"...Pros - These hold milk well & are easy to clean. The milk can also be easily poured without spillage...." Read more
Customers find the breast milk storage bags easy to use.
"...I use a dry erase maker to marks date, time and amount and it comes of easily. It’s everything I could want in a refrigerator milk storage container...." Read more
"...The only thing I like about this product is that it’s easy to pour milk into a bottle and eliminates plastics bags." Read more
"Super easy to use and great for pumping! This helps me save my disposable bags for my freezer stash :)" Read more
"Easy to use and clean, much better for the planet compared to plastic disposable bags!..." Read more
Customers appreciate that these breast milk storage bags help reduce waste, with one mentioning they save disposable bags and another noting they save money.
"...use medela or gallon bags to freeze, but feel much better about reducing waste and saving money! Would recommend!" Read more
"I wanted to love these. I thought it would be helpful and less waste...." Read more
"Super easy to use and great for pumping! This helps me save my disposable bags for my freezer stash :)" Read more
Customers have mixed opinions about the quality of these breast milk storage bags, with some finding them terrible.
"...So disappointed and hoping to get my money back, because these are useless." Read more
"...seem a little pricey until you realize that not only are they top food grade silicone, but they’re also made in the USA!..." Read more
"Terrible, leaked on first use when stored between 2 ice packs. Made sure seal was tight but it's a poor design, you get what you pay for" Read more
"Nice quality except top pops open easily and we have lost multiple ounces due how easily it opens." Read more
Customers report issues with the breast milk storage bags leaking and spilling, noting that the seal is weak.
"You have to keep these upright or they leak. Good thing I tested them before I just threw it into my bag...." Read more
"...made sure to double check the seal and after checking it, the seal doesn’t really seal. Even when I really make sure it’s closed, it leaks...." Read more
"...upright on my way home the bags still leaked all over my cooler bag. They must have been squeezed slightly (eye roll)...." Read more
"...They stand up great, and the seal is pretty darn good!..." Read more
Customers report issues with the seal of these breast milk storage bags, noting that they pop open immediately, don't close easily, and don't seal properly.
"...off one star because the zip close on the top can be a little annoying to seal smoothly - if you can start on one end and press all the way across..." Read more
"...They seal fine, but if you knock it over, the seal will open from the force of the fall." Read more
"These have the most feeble, ineffective seal. I tested one first with water (half full) - sealed it and tilted it gently to the side...." Read more
"Nice quality except top pops open easily and we have lost multiple ounces due how easily it opens." Read more
Customers find the breast milk storage bags a little pricey.
"...They seem a little pricey until you realize that not only are they top food grade silicone, but they’re also made in the USA!..." Read more
"I bought this to store my breast milk and I’m a little disappointed for how much they cost. It has a very narrow base so they tip over very easily...." Read more
"These are neat but way too expensive for what they are" Read more
"Leaky and too expensive!..." Read more
Customers criticize the breast milk storage bags for their very narrow base, with one mentioning that regular bottles don't fit in the bag.
"...They topple over easily, spilling your hard pumped milk. The base is too narrow...." Read more
"...It has a very narrow base so they tip over very easily...." Read more
"...to stop wasting disposable bags to transport my milk as regular bottles don’t fit in my bag. Very disappointed and will be returning...." Read more
Reviews with images

It’s everything you could need for refrigerator milk storage
Top reviews from the United States
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- Reviewed in the United States on January 24, 2021Size: Milk Bag (Set of 2)Verified PurchaseThese pouches are awesome for storing milk in the fridge! I am an exclusive pumper and was using medela plastic bags for all storage, but felt bad about how much Plastic I was wasting. So I bought these to use for the milk I store in the fridge, which is my first pump of the day to be given as the last bottle of the day, and the last pump of the day to be given as the first bottle of the day. The rest of my baby’s milk goes from the pump directly to the bottle. They stand up great, and the seal is pretty darn good! I throw them in a bowl and run hot water on them til they are warm to then transfer to a bottle. It can take awhile to heat up milk through the silicone, but I start it before The diaper change and that seems to be the right amount of time. I still use medela or gallon bags to freeze, but feel much better about reducing waste and saving money! Would recommend!
- Reviewed in the United States on April 17, 2021Size: Milk Bag (Set of 2)Verified PurchaseWe have six of these silicone bags total, and store milk in them daily. They’re easy to store and wash, we use scotch tape and a permanent marker to track the dates we add milk to them. Much better for the environment instead of disposable milk storage bags and six of them (3 packages of 2 bags) is perfect for us. I’m pumping exclusively, sometimes we need to use additional pump containers for excess milk supply that won’t fit in the 6 silicone ziplocks, but usually baby goes through the milk we’ve stored in these bags within 1-2 days - we haven’t needed to freeze any yet. Highly recommend this product over disposable plastics that are harmful for our beautiful planets :)
- Reviewed in the United States on July 12, 2020Size: Milk Bag (Set of 2)Verified PurchaseI was looking for an alternative to storing pumped breastmilk in plastic containers and came across these. They seem a little pricey until you realize that not only are they top food grade silicone, but they’re also made in the USA! I’ve been using them for a few weeks and so far so good - keeps the breastmilk stored and fresh in the fridge, and the bottom of the bag is nice and flat so they stand up straight. Took off one star because the zip close on the top can be a little annoying to seal smoothly - if you can start on one end and press all the way across in one motion that works best, but my husband was annoyed with it does not always look 100% flush when sealed. That being said, it seals well enough to keep things fresh and safe, just not beautifully flush, and that’s not enough to detract from the benefits in my opinion!
- Reviewed in the United States on June 10, 2020Size: Milk Bag (Set of 2)Verified PurchaseI absolutely love these! They are the perfect size, thick and sturdy yet flexible. Easy to pour, no leaking, the ounces on the side are almost exact when unzipped. I use a dry erase maker to marks date, time and amount and it comes of easily. It’s everything I could want in a refrigerator milk storage container. I wish I needed more.
5.0 out of 5 starsI absolutely love these! They are the perfect size, thick and sturdy yet flexible. Easy to pour, no leaking, the ounces on the side are almost exact when unzipped. I use a dry erase maker to marks date, time and amount and it comes of easily. It’s everything I could want in a refrigerator milk storage container. I wish I needed more.It’s everything you could need for refrigerator milk storage
Reviewed in the United States on June 10, 2020
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- Reviewed in the United States on September 1, 2021Size: Milk Bag (Set of 2)Verified PurchaseYou have to keep these upright or they leak. Good thing I tested them before I just threw it into my bag. Disappointed because I wanted to replace all my plastic freezer bags with these. Try the haakaa silicone bags instead.
- Reviewed in the United States on February 1, 2021Size: Milk Bag (Set of 2)Verified PurchaseI wanted to love these. I thought it would be helpful and less waste. I had filled it up with milk and later when I went to fill a bottle with the milk, I laid it down and most of the milk spilled out. I had made sure to double check the seal and after checking it, the seal doesn’t really seal. Even when I really make sure it’s closed, it leaks. So disappointed and hoping to get my money back, because these are useless.
- Reviewed in the United States on January 28, 2022Size: Milk Bag (Set of 2)Verified PurchaseThese aren’t user friendly. They topple over easily, spilling your hard pumped milk. The base is too narrow. They seal fine, but if you knock it over, the seal will open from the force of the fall.
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Reviewed in the United States on February 5, 2022Size: Milk Bag (Set of 2)Verified PurchaseMuy practico y fácil de cerrar, no se debe colocar más contenido del indicado en la bolsa ya al cerrar se derrama.